/**
 * Loop statement emitters (while, for, for-of)
 * Returns CSharpStatementAst nodes.
 */
import { IrStatement } from "@tsonic/frontend";
import { EmitterContext } from "../../types.js";
import type { CSharpStatementAst } from "../../core/format/backend-ast/types.js";
/**
 * Emit a while statement as AST
 */
export declare const emitWhileStatementAst: (stmt: Extract<IrStatement, {
    kind: "whileStatement";
}>, context: EmitterContext) => [readonly CSharpStatementAst[], EmitterContext];
/**
 * Emit a for statement as AST
 *
 * Special handling for canonical integer loop counters:
 * `for (let i = 0; i < n; i++)` emits as `for (int i = 0; ...)` in C#.
 * This avoids the double→int conversion cost when using loop variables
 * as CLR indexers (e.g., list[i]).
 */
export declare const emitForStatementAst: (stmt: Extract<IrStatement, {
    kind: "forStatement";
}>, context: EmitterContext) => [readonly CSharpStatementAst[], EmitterContext];
/**
 * Emit a for-of statement as AST
 *
 * TypeScript: for (const x of items) { ... }
 * C#: foreach (var x in items) { ... }
 *
 * TypeScript: for await (const x of asyncItems) { ... }
 * C#: await foreach (var x in asyncItems) { ... }
 */
export declare const emitForOfStatementAst: (stmt: Extract<IrStatement, {
    kind: "forOfStatement";
}>, context: EmitterContext) => [readonly CSharpStatementAst[], EmitterContext];
/** Emit a for-in statement over a statically proven string-key carrier. */
export declare const emitForInStatementAst: (stmt: Extract<IrStatement, {
    kind: "forInStatement";
}>, context: EmitterContext) => [readonly CSharpStatementAst[], EmitterContext];
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